ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,441,287, issued on Oct. 14, was assigned to KNORR-BREMSE SYSTEME FUER NUTZFAHRZEUGE GMBH (Munich).

"Brake system for a utility vehicle, and method for testing the functionality of a select-high valve of the brake system" was invented by Oliver Jundt (Hessigheim, Germany), Max Michalski (Neubiberg, Germany) and Falk Hecker (Markgroeningen, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for testing functionality of a brake-system's select-high valve (SHV), including: comparing the pressure in a main-supply-circuit (MSC) with the pressure in a service-brake-circuit (SBC) and ascertaining that the SBC is being supplied with pressure from th...